Ofl
abbr. official 官方的，正式的
🗣️ 情景例句
The boy has infected tonsils,
这孩子的扁桃腺受到感染了，
Courtesy costs nothing.
谦虚恭敬，不用分文。
He said that someone might be spying on the station and the pilot was ordered to keep track of the strange object.
他说可能有人正对基地进行侦察，因此命令那个飞行员跟踪那个奇怪的飞行物。